Library / Applicable to all Oil & Gas Operators GUIDELINES FOR THE DESIGN, CONSTRUCTION, OPERATION AND MAINTENANCE OF OIL AND GAS PIPELINE SYSTEMS IN NIGERIA Code: DPR Guide 0027 – 2021
Applicable to all Oil & Gas Operators GUIDELINES FOR THE DESIGN, CONSTRUCTION, OPERATION AND MAINTENANCE OF OIL AND GAS PIPELINE SYSTEMS IN NIGERIA Code: DPR Guide 0027 – 2021
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Applicable to all Oil & Gas Operators GUIDELINES FOR THE DESIGN, CONSTRUCTION, OPERATION AND MAINTENANCE OF OIL AND GAS PIPELINE SYSTEMS IN NIGERIA Code: DPR Guide 0027 – 2021 Effective Date: 14th October 2021 This is a property of the Department of Petroleum Resources. All rights reserved ii 2.6.4 Summary of Environmental Studies ................................................................... 13 2.7 Notification for Construction .................................................................................. 13 2.7.1 Factory Acceptance Tests & Pipeline Mill Inspections ....................................... 14 2.8 Pre-Commissioning .................................................................................................. 14 2.9 Commissioning / Introduction of Hydrocarbon ...................................................... 14 2.10 Licence To Operate Pipelines .................................................................................. 15 2.11 Transfer of Ownership ............................................................................................. 16 2.11.1 Application for Transfer of PTS ......................................................................... 16 2.11.2 Application for Transfer of OPLL ....................................................................... 16 3. LIQUID PETROLEUM TRANSPORTATION PIPING SYSTEMS ............................................. 17 3.1 Definition ...................................................................................................................17 3.2 Minimum Design Criteria ..........................................................................................17 3.3 Minimum Construction Requirements.................................................................... 18 3.3.1 Minimum Requirements for Pipeline Burial ....................................................... 19 3.4 Procedure For Inspection and Testing. .................................................................... 21 3.4.1 Guide to Pipeline Testing ................................................................................... 22 3.5 Corrosion Control ..................................................................................................... 22 3.5.1 External Corrosion Control of Buried or Submerged Pipeline ........................... 23 3.5.2 Internal Corrosion Control ................................................................................. 24 4. GAS TRANSMISSION AND DISTRIBUTION PIPELINE ........................................................ 24 4.1 General Design Considerations ............................................................................... 24 4.2 Design Criteria and Materials Specifications .......................................................... 24 4.2.1 Design and Construction of Gas Pipeline ........................................................... 25 4.2.2 Requirements for Inspection and Testing of Gas Pipelines ............................... 26 4.3 Gas Pipelines Made with Materials Other Than Ductile Steel ............................... 27 4.3.1 Cast Iron Materials: ............................................................................................ 27 4.3.2 Plastic Materials ................................................................................................. 27 5. FLOWLINE, PIPELINE & RISER SYSTEMS FOR OFFSHORE OPERATIONS ....................... 29 5.1 Basic Statutory Approvals ....................................................................................... 29
CodesPDF20212021-103